The Citadel version 2.00 includes these new features below.

・Partial Xinput controller support
・FOV slider
・Picture-in-picture ADS(optional)
・Weapon bobbing
・Bullet holes and blood decals
・Zoom/unzoom feature for a mini-map and a large-map
・New difficulty options(optional)
・Enemy life bars(optional)
・New menu UIs
・New HUD(optional)
・Weapon wheel
・Unloading
・Kill marker(optional)
・Collecting ammo from discarded clips and cartridges
・Ammo limitation
・No gore option
・and some optimization and bugfixing